<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
	<style type="text/css">
		#hd{
			width: 900px;
			height: 200px;
			margin: 0 auto;
			border: 4px solid orangered;
			/*background: -moz-linear-gradient(left,red,blue);*/
			/*background: -moz-linear-gradient(left,red,blue,yellow,green,black,purple,pink);*/
			background: -moz-linear-gradient(left top,red,blue,yellow,green,purple,pink);
		}
		
	</style>
	</head>
	<body>
		<div id="hd"></div>
		
	</body>
</html>
